On 07/07/17 09:26, CLOSE Dave wrote: > I'm trying to setup a multi-user VNC server on recent versions of Fedora > without success thus far. I understand that doing so requires a display > manager with XDMCP support. The current default DM is SDDM which does > not include such support (at least so far as I've found). That means I > need to change the DM. > > Following a suggestion I found somewhere, I ran "dnf install kdm; > systemctl enable --force kdm.service". I chose KDM because the machines > involved generally use KDE, not Gnome. That seems to be a painless > substitution. However, I'm sure I'll have to install some protections > against automatic updates that reverse the change. > > Then I tried to follow the instructions in RH Bugzilla 1393971 > (<https://bugzilla.redhat.com/show_bug.cgi?id=1393971>) and those at RH > Solutions 2516 (for XDMCP with xinetd) and 2681531 (which replaces > xinetd with a systemd socket). I also modified /etc/kde/kdm/Xaccess to > uncomment "*". After this I get a connection but no login screen, just a > blank screen with a momentary note about using F8. > > The log shows several errors at different times in my experiments. > Sometimes Plymouth is not running. Sometimes I'm told the VNC service > got more than one socket. Usually KDM reports that it can't open the > display, using an IPv6 notation for the display. > > Can anyone point me to instructions which take into account systemd and > the structure of recent Fedora releases? It seems to me likely that I've > messed up something simple in trying to adapt the instructions (which > are for xinetd and GDM). Or have I provided enough information to make a > guess as to the problem? This should help.... https://docs.fedoraproject.org/en-US/Fedora/21/html/System_Administrators_Guide/ch-TigerVNC.html Especially.... 8.1.2.1. Configuring VNC Server for Two Users -- Fedora Users List - The place to go to speculate endlessly
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